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A signal of frequency 20 kHz and peak voltage of 5 volt is used to modulate a carrier wave of frequency 1.2 MHz and peak voltage 25 volts. Choose the correct statement.A. Modulation index = 5, side frequency bands are at 1400 kHz and 1000 kHzB. Modulation index = 0.8, side frequency bands are at 1180 kHz and 1220 kHzC. Modulation index = 0.2, side frequency bands are at 1200 kHz and 1180 kHzD. Modulation index = 5, side frequency bands are at 21/2 kHz and 18.8 kHz |
Answer» Correct Answer - C | |